1 /* 2 * Copyright IBM Corp. 2007 3 * Author(s): Heiko Carstens <heiko.carstens@de.ibm.com> 4 */ 5 6 #ifndef _ASM_S390_SCLP_H 7 #define _ASM_S390_SCLP_H 8 9 #include <linux/types.h> 10 #include <asm/chpid.h> 11 #include <asm/cpu.h> 12 13 #define SCLP_CHP_INFO_MASK_SIZE 32 14 #define SCLP_MAX_CORES 256 15 16 struct sclp_chp_info { 17 u8 recognized[SCLP_CHP_INFO_MASK_SIZE]; 18 u8 standby[SCLP_CHP_INFO_MASK_SIZE]; 19 u8 configured[SCLP_CHP_INFO_MASK_SIZE]; 20 }; 21 22 #define LOADPARM_LEN 8 23 24 struct sclp_ipl_info { 25 int is_valid; 26 int has_dump; 27 char loadparm[LOADPARM_LEN]; 28 }; 29 30 struct sclp_core_entry { 31 u8 core_id; 32 u8 reserved0; 33 u8 : 4; 34 u8 sief2 : 1; 35 u8 : 3; 36 u8 : 3; 37 u8 siif : 1; 38 u8 sigpif : 1; 39 u8 : 3; 40 u8 reserved2[10]; 41 u8 type; 42 u8 reserved1; 43 } __attribute__((packed)); 44 45 struct sclp_core_info { 46 unsigned int configured; 47 unsigned int standby; 48 unsigned int combined; 49 struct sclp_core_entry core[SCLP_MAX_CORES]; 50 }; 51 52 struct sclp_info { 53 unsigned char has_linemode : 1; 54 unsigned char has_vt220 : 1; 55 unsigned char has_siif : 1; 56 unsigned char has_sigpif : 1; 57 unsigned char has_core_type : 1; 58 unsigned char has_sprp : 1; 59 unsigned char has_hvs : 1; 60 unsigned char has_esca : 1; 61 unsigned char has_sief2 : 1; 62 unsigned int ibc; 63 unsigned int mtid; 64 unsigned int mtid_cp; 65 unsigned int mtid_prev; 66 unsigned long rzm; 67 unsigned long rnmax; 68 unsigned long hamax; 69 unsigned int max_cores; 70 unsigned long hsa_size; 71 unsigned long facilities; 72 }; 73 extern struct sclp_info sclp; 74 75 int sclp_get_core_info(struct sclp_core_info *info); 76 int sclp_core_configure(u8 core); 77 int sclp_core_deconfigure(u8 core); 78 int sclp_sdias_blk_count(void); 79 int sclp_sdias_copy(void *dest, int blk_num, int nr_blks); 80 int sclp_chp_configure(struct chp_id chpid); 81 int sclp_chp_deconfigure(struct chp_id chpid); 82 int sclp_chp_read_info(struct sclp_chp_info *info); 83 void sclp_get_ipl_info(struct sclp_ipl_info *info); 84 int sclp_pci_configure(u32 fid); 85 int sclp_pci_deconfigure(u32 fid); 86 int memcpy_hsa_kernel(void *dest, unsigned long src, size_t count); 87 int memcpy_hsa_user(void __user *dest, unsigned long src, size_t count); 88 void sclp_early_detect(void); 89 void _sclp_print_early(const char *); 90 91 #endif /* _ASM_S390_SCLP_H */ 92